On Fri, 8 Jul 2011, Adrian Abramovich wrote:
We are using asterisk 1.4 and we use a Perl script to record some
specific calls. As far, everything is working well. I was thinking about
create a module in order to improve script's performance.
(I'm assuming you're executing your Perl script as an AGI.)
I'd vote for re-writing your Perl script in C.
Once you get past the small* hit for process creation and AGI environment
setup, the execution time should be very similar between C code executing
as a module and C code executing as an AGI.
The advantages of an AGI over a module are:
) You already know the AGI environment.
) Writing an AGI is probably an order of magnitude easier than writing a
module. The 'environment' is much simpler, stable between Asterisk
versions and better defined.
) Debugging an AGI is probably a couple of orders of magnitude easier than
debugging a module because it is usually a single threaded process and you
can (within obvious limitations) 'desk test' your code completely external
to Asterisk.
) You'll get more support on the mailing lists. A lot more people know how
to write and debug an AGI than know how to write and debug a module.
) When (not if) you hit a bug, it only takes out your AGI, not the entire
Asterisk process. The damage is limited to a single call, not all calls in
flight.
*) You can execute hundreds of AGIs written in C in the time it takes to
load the Perl interpreter and parse your script.
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwa...@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
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